Anisotropic Propagation and Damping of Spin Waves in a Nanopatterned Antidot Lattice

被引：124

作者：

Neusser, S. ^{[1
]}

Duerr, G. ^{[1
]}

Bauer, H. G. ^{[2
]}

Tacchi, S. ^{[3
]}

Madami, M. ^{[3
]}

Woltersdorf, G. ^{[2
]}

Gubbiotti, G. ^{[3
]}

Back, C. H. ^{[2
]}

Grundler, D. ^{[1
]}

机构：

[1] Tech Univ Munich, Dept Phys, Lehrstuhl Phys Funkt Schichtsyst, D-85747 Garching, Germany

[2] Univ Regensburg, Inst Expt & Angew Phys, D-93040 Regensburg, Germany

[3] Univ Perugia, Dipartimento Fis, CNISM, I-06123 Perugia, Italy

来源：

PHYSICAL REVIEW LETTERS | 2010年 / 105卷 / 06期

关键词：

PERMALLOY; FILM;

D O I：

10.1103/PhysRevLett.105.067208

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

All-electrical spin-wave spectroscopy, Brillouin light scattering, as well as the magneto-optical Kerr effect are combined to study spin-wave propagation through a magnetic antidot lattice nanopatterned into a Ni(80)Fe(20) thin film. The propagation velocities and, in particular, the relaxation are found to depend characteristically on the applied in-plane magnetic field. We explain the observed anisotropies by magnetic field-controlled spin-wave guiding in a network of interconnected nanowires which takes place over distances of up to 20 mu m.

引用

页数：4

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